Yahoo! Mail as your first email account

• 1). Go to the main screen of your iPhone. Tap the "Mail" icon.
  
  
• 2). Hit the "Y!" Mail choice in the list of email providers that appears.
  
  
• 3). Type in your name, email address and password in the fields provided. Hit the "Save" button in the top right corner of the screen.
  
  

Yahoo! Mail as an additional account

• 1). Go to the main screen menu and tap on the "Settings" icon.
  
  
• 2). Hit the "Mail" option in the settings section. Click the "Add Account..." option that appears.
  
  
• 3). Hit the "Y!" Mail choice in the list of email providers that appears.
  
  
• 4). Type in your name, email address and password in the fields provided. Hit the "Save" button in the top right corner of the screen.